2423400140393 has 2 divisors, whose sum is σ = 2423400140394. Its totient is φ = 2423400140392.

The previous prime is 2423400140351. The next prime is 2423400140479. The reversal of 2423400140393 is 3930410043242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314260473744 + 1109139666649 = 1146412^2 + 1053157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423400140393 - 2⁸ = 2423400140137 is a prime.

It is a super-2 number, since 2×2423400140393² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2423400140893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211700070196 + 1211700070197.

It is an arithmetic number, because the mean of its divisors is an integer number (1211700070197).

Almost surely, 2^{2423400140393} is an apocalyptic number.

It is an amenable number.

2423400140393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423400140393 is an equidigital number, since it uses as much as digits as its factorization.

2423400140393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 2423400140393 in words is "two trillion, four hundred twenty-three billion, four hundred million, one hundred forty thousand, three hundred ninety-three".